DE4020786C2 - - Google Patents
Info
- Publication number
- DE4020786C2 DE4020786C2 DE19904020786 DE4020786A DE4020786C2 DE 4020786 C2 DE4020786 C2 DE 4020786C2 DE 19904020786 DE19904020786 DE 19904020786 DE 4020786 A DE4020786 A DE 4020786A DE 4020786 C2 DE4020786 C2 DE 4020786C2
- Authority
- DE
- Germany
- Prior art keywords
- binder
- gypsum
- dividing surface
- flue gas
- openings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910052602 gypsum Inorganic materials 0.000 claims description 38
- 239000010440 gypsum Substances 0.000 claims description 38
- 239000011230 binding agent Substances 0.000 claims description 33
- 239000003546 flue gas Substances 0.000 claims description 27
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000011505 plaster Substances 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 239000004566 building material Substances 0.000 description 4
- 206010039509 Scab Diseases 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000273930 Brevoortia tyrannus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
- C04B11/262—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
- C04B11/264—Gypsum from the desulfurisation of flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD33004289A DD285335B5 (de) | 1989-06-28 | 1989-06-28 | Verfahren und vorrichtung zur aufbereitung von feuchtem feinkoernigem rauchgasgips |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4020786A1 DE4020786A1 (de) | 1991-03-07 |
DE4020786C2 true DE4020786C2 (fr) | 1993-04-08 |
Family
ID=5610264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19904020786 Granted DE4020786A1 (de) | 1989-06-28 | 1990-06-27 | Verfahren und vorrichtung zur aufbereitung von feuchtem feinkoernigem rauchgasgips |
Country Status (3)
Country | Link |
---|---|
CS (1) | CS323090A3 (fr) |
DD (1) | DD285335B5 (fr) |
DE (1) | DE4020786A1 (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3501238A1 (de) * | 1985-01-16 | 1986-10-16 | Frank W. Dr.-Ing. 6600 Saarbrücken Fink | Verfahren zur erhoehung der lagerfaehigkeit, abriebbestaendigkeit und druckfestigkeit von calciumsulphat-dihydratbriketts durch zugabe von bindemitteln vor der brikettierung |
-
1989
- 1989-06-28 DD DD33004289A patent/DD285335B5/de not_active IP Right Cessation
-
1990
- 1990-06-27 DE DE19904020786 patent/DE4020786A1/de active Granted
- 1990-06-28 CS CS903230A patent/CS323090A3/cs unknown
Also Published As
Publication number | Publication date |
---|---|
DE4020786A1 (de) | 1991-03-07 |
DD285335B5 (de) | 1993-09-16 |
DD285335A5 (de) | 1990-12-12 |
CS323090A3 (en) | 1992-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8125 | Change of the main classification |
Ipc: B09B 3/00 |
|
8127 | New person/name/address of the applicant |
Owner name: RUEDERSDORFER ZEMENT GMBH, O-1253 RUEDERSDORF, DE |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |